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If you are looking to make a bootable Android card for Nook devices, the SanDisk Ultra card will suffice. Both SanDisk Ultra 32 and 64 microSD cards have fast small block read and write even though the 32GB card fare a little better. 64GB card is formatted as exFAT and can be formatted as NTFS. As a warning, CyanogenMod or AOSP doesn’t support exFAT so your card will be damage if used. You’ll need recovery app to recovered lost data on computer or use “chkdsk X: /f” (Where X is the drive letter of your sdcard) in command window. You can use a partition app to format the card to FAT32 PRIMARY.

If you are looking to purchase the card for camera and other storages, you will be pleasant with its fast read and write speed.

Know that the values for read and write are not constant. The values below are ball park values to give you a good estimate of the read and write speeds.

———————————————————————– SanDisk Ultra 32GB microSDHC I 2462DG5E20KA Made in China

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This is my drawing surface if anyone is curious. I have a Dell manual over the Bamboo MTE-450A. Initially, I was drawing on the actual Bamboo surface but the surface eats away my pen tip (nib) quickly. I started using a piece of paper over the surface, but after some usages, the paper gets distorted. I started using a Dell manual over the surface and so far, it’s good. The manual doesn’t eat away the nib as fast as on just a piece of paper or the actual surface. My Bamboo preference is Mouse Mode with acceleration off.